Front Housing
- Shift transmission into Neutral.
- Remove drain plug and drain lubricant.
- Inspect drain plug magnet for debris.
- Remove backup light switch. Switch is located on passenger side of rear housing (see Fig 1).
- Remove shift tower bolts and remove tower and lever assembly (see Fig 2).
- Remove shift shaft lock bolt (see Fig 3) located on top of the housing just forward of shift tower.
- Remove shift shaft detent plug with Remover 8117A. Attach the fingers of the remover to the detent plug (see Fig 4). Then push the cup down till it contacts the trans. Tighten the nut (see Fig 5) till it pulls the plug from the transmission case.
- Remove shift shaft detent plunger and spring (see Fig 6). Remove spring and plunger with a pencil magnet.
- Remove bolts attaching input shaft bearing retainer to front housing and remove retainer.NOTE: Use pry tool to carefully lift retainer and break sealer bead (see Fig 7).
- Remove bearing retainer from input shaft (see Fig 8).
- Remove snap ring that secures input shaft in front bearing (see Fig 9).
- Remove bolts that attach front housing to rear housing (see Fig 10). Three bolts at extreme rear of housing are actually for the output shaft bearing retainer. It is not necessary to remove all three bolts at this time. Leave at least one bolt in place until geartrain is ready to be removed from case.
- Separate front housing from rear housing (see Fig 11). With a plastic mallet tap the front housing off the alignment dowels.
- Remove and inspect input shaft bearing and countershaft front bearing race (see Fig 12).
- Remove screw from reverse blocker and remove blocker (see Fig 13) from case.
- Note position of input shaft, shift shaft and forks, and geartrain components in housing (see Fig 14).